Clamping stand



FIG. 1 is a top, front and left side perspective view of a clamping stand showing my new design;;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof; the right side elevational view being a mirror of that shown;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof. 

The ornamental design for a clamping stand, as shown and described. 